Cylinder-head for gas or gasoline engines



(No Model.) 2 Sheets-Sheet 1.

F, M. UNDERWOOD. CYLINDER HEAD FOR GAS 0R GASOLINE ENGINES.

No. 542,743; Patented July 16,1895.

(No Model.) 2 Sheets-Sheet 2.

P. M. UNDBRWOOD. CYLINDER HEAD EoE GAS 0E GASOLINE ENGINES.

No. 542,743. Patented July 16, 1895.

, rED S TENT CYLINDER-HEAD FOR GAS O'R GASOLINE ENGINES.

SIEGIFICATION forming part of Letters Patent No. 542,743, dated July 16,1895. Application filed. March 14, 1895. SerialNc.5 L1,'702. (NomodeldTo all whom it may concern.-

Be it known that I, FRANK M. UNDERWOOD, a citizen of the United States,residing at Upper Sandusky, in the county of Wyandot and State of Ohio,haveinvented certain new and useful Improvements in Cylinder-HeadsforGas or Gasoline Engines; and I do hereby declare the following to be afull, clear, and exact description of the invention,'such as will enableothers skilled in the art to which it appertains to make and use thesame.

My invention relates to improvements in gas and gasoline engines, andrefers especially to what may be termed the cylinder-head, the objectbeing the provision of a cylinderhead of simple and inexpensiveconstruction, which can be easily removed from the cylinder or applied,as desired, which can be used with water or air, as found necessary andde sirable, and which will be thoroughly eflicient and practical for theintended purpose.

The invention consists of a cylinder embodying novel features ofconstruction and combination of parts for service, substantially asdisclosed herein.

Figure 1 represents an end elevation or face View of my improvedcylinder-head. Fig. 2

represents a vertical central sectional View thereof, showing theadjustment of the valves for the use of water or air; and Fig. 3represents a perspective view of one of the connecting-sleeves andscrew-valves therefor.

In the drawings, A designates the cylinder proper, which is formed withthe water or air jacket or space B, having in its end wall 0 theopenings or passages D, which are cupshaped or rounding.

To the cylinder proper is securedor fitted the cylinder-head E, which isprovided with the chambers or spaces or compartments F and with thecentral opening G, in which is placed or fitted the sparking or ignitingmechanism, and the head is further provided with the shouldered portionor rim H, which fits in the cylinder, and with the openings J, whichcommunicate with the jackets of the cylinder and are of a similarrounding or cupped shape. The meeting edges of the cylinder and head,around the openings before mentioned, are provided with grooves, forminga seat for the the gasket or rubber or elastic packing-rings K, in whichare placed the rounded sleeves or tubes L, which closely fit theopenings of the jackets or spaces of the cylinder and head, and thusform a communicating connection between the cylinder and head. In theouter wall of the cylinder-head and in line with said tubes or sleevesare made the openings M, which are threaded to receive the plugs or capsN, which form bearings for the screw valves or cocks 0, saidscrew-valves having the threaded stems P, which engage threads Q in saidplugs, and it will be seen that the valves may be adjusted to close thetubes or sleeves and prevent the entrance of air or water to thejacketsof the head from the jackets of the cylinder. From thisconstruction it will be seen that the cylinder-head can be easilyapplied to the cylinder, and yet a perfectjoint is provided between theparts, and also that the jackets or chambers of the cylinder and headmay be made to communi cate or be closed by means of the screw-valves.

I claim 1. The combination of the cylinder having thesurrounding spaceor jacket, the 'cylinder head having the jackets or spaces communicatingwith the jacket of the cylinder, the tubes or sleeves for securing thehead to the cylinder, and also forming the communication between thesame, and the valves for controlling the communication between thecylinder and head.

2. The combination with the cylinder having the surrounding jacket, thecylinder head having the chambers or jackets communicat-. ing with thejacket of the cylinder, the gaskets or packings secured in the meetingedges of the cylinder and head, the rounded tubes or sleeves seated insaid gaskets andforming a communicating connection between the cylinderand head, and the adjustable valves for controlling the communicationthrough said tubes or sleeves. t

In testimony whereof I affix my signature in presence of two'witnesses.

